*Illustration of proper throttle to transition slot relationship is shown in Mike Urich and Bill Fisher, Holley Carburetors & Manifolds [Holley Part No. 36-73] (HP Books, 1987) pp. 121-2 edit: The section is called Special Procedures for Wild Camshafts. I'll try to link but you may have to google search as links to copyright material are often temporary.
